ES2119070T3 - Procedimiento para preparar xerogeles de silice esfericos y porosos. - Google Patents

Procedimiento para preparar xerogeles de silice esfericos y porosos.

Info

Publication number
ES2119070T3
ES2119070T3 ES94203135T ES94203135T ES2119070T3 ES 2119070 T3 ES2119070 T3 ES 2119070T3 ES 94203135 T ES94203135 T ES 94203135T ES 94203135 T ES94203135 T ES 94203135T ES 2119070 T3 ES2119070 T3 ES 2119070T3
Authority
ES
Spain
Prior art keywords
xerogels
procedure
porous silicon
preparing spherical
spherical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES94203135T
Other languages
English (en)
Inventor
Luigi Balducci
Raffaele Ungarelli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eni Tecnologie SpA
Enichem SpA
Original Assignee
Eni Tecnologie SpA
Enichem SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eni Tecnologie SpA, Enichem SpA filed Critical Eni Tecnologie SpA
Application granted granted Critical
Publication of ES2119070T3 publication Critical patent/ES2119070T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16—Preparation of silica xerogels
    • C01B33/163—Preparation of silica xerogels by hydrolysis of organosilicon compounds, e.g. ethyl orthosilicate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)

Abstract

PROCESO PARA LA PREPARACION DE PARTICULAS DE SILICE ESFERICAS POROSAS QUE SUSTANCIALMENTE CONSISTE EN EMULSIONAR UN SOL DE SILICE ACIDICA EN UN MEDIO DE DISPERSION, GELIFICAR LAS MICROGOTITAS DEL SOL EN EL ESTADO EMULSIONADO Y SOMETER EL GEL RESULTANTE A UN TRATAMIENTO TERMICO EN PRESENCIA DEL LIQUIDO EMULSIONANTE Y DE UNA BASE DE GELIFICACION DEL SOL.
ES94203135T 1993-11-04 1994-10-27 Procedimiento para preparar xerogeles de silice esfericos y porosos. Expired - Lifetime ES2119070T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93MI002331A IT1266660B1 (it) 1993-11-04 1993-11-04 Procedimento per la preparazione di xerogels di silice porosi in forma sferica

Publications (1)

Publication Number Publication Date
ES2119070T3 true ES2119070T3 (es) 1998-10-01

Family

ID=11367137

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94203135T Expired - Lifetime ES2119070T3 (es) 1993-11-04 1994-10-27 Procedimiento para preparar xerogeles de silice esfericos y porosos.

Country Status (6)

Country Link
US (1) US6103209A (es)
EP (1) EP0653378B1 (es)
JP (1) JP3785580B2 (es)
DE (1) DE69412426T2 (es)
ES (1) ES2119070T3 (es)
IT (1) IT1266660B1 (es)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19530031A1 (de) * 1995-08-16 1997-02-20 Merck Patent Gmbh Poröse monodisperse SiO¶2¶-Partikel
CA2280795A1 (en) * 1997-02-24 1998-08-27 James R. Hahn Hydrophobic silica gels with reduced surface area
IT1303713B1 (it) * 1998-11-06 2001-02-23 Enichem Spa Processo per la preparazione di catalizzatori a base di zeolite tipomfi.
KR100392194B1 (ko) * 2000-07-19 2003-07-22 이종협 세라믹 중공미세구의 제조방법
US7101523B2 (en) 2001-09-25 2006-09-05 Mitsubishi Chemical Corporation Silica
CN100445204C (zh) * 2001-11-27 2008-12-24 三菱化学株式会社 二氧化硅及其制造方法
US20040091411A1 (en) * 2002-11-08 2004-05-13 Bijan Modrek-Najafabadi High surface area, high porosity silica packing with narrow particle and pore diameter distribution and methods of making same
DE10317066A1 (de) * 2003-04-14 2004-11-11 Degussa Ag Verfahren zur Herstellung von Metalloxid- und Metalloidoxid-Dispersionen
KR100708882B1 (ko) * 2003-04-15 2007-04-17 (주) 보람케메탈 흄드 실리카를 이용한 나노 실리카 결정 분말의 제조방법
US20100003182A1 (en) * 2006-06-02 2010-01-07 Lorenzo Costa Pellitized silica
EP2125477A4 (en) * 2007-02-22 2012-08-29 Univ Central Queensland BOGIE DIRECTOR FOR RAILWAY VEHICLES
US20100116743A1 (en) * 2007-06-04 2010-05-13 James Neil Pryor Silica particles and methods of making and using the same
EP2408554B1 (de) 2009-03-16 2016-12-14 Basf Se Katalysatorträger auf silicagel-basis
DE102009053784A1 (de) * 2009-11-19 2011-05-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Herstellung eines porösen SiO2-Xerogels mit charakteristischer Porengröße durch ein Bottom-Up-Verfahren über eine Vorstufe mit organischen Festkörperskelettstützen
US8197782B2 (en) * 2010-02-08 2012-06-12 Momentive Performance Materials Method for making high purity metal oxide particles and materials made thereof
US9249028B2 (en) 2010-02-08 2016-02-02 Momentive Performance Materials Inc. Method for making high purity metal oxide particles and materials made thereof
CN101913611B (zh) * 2010-03-17 2012-05-02 上海大学 一种简便的制备尺寸可控的单分散的纳米二氧化硅颗粒的方法
JP4960534B1 (ja) * 2010-10-25 2012-06-27 株式会社トクヤマ エアロゲル及びその製造方法
CN103476707B (zh) 2011-04-28 2016-05-25 株式会社德山 金属氧化物粉末及其制造方法
US10995184B2 (en) 2016-03-25 2021-05-04 Show A Denko Materials Co., Ltd. Sol composition, aerogel composite, support member provided with aerogel composite, and heat insulator
WO2017170498A1 (ja) * 2016-03-29 2017-10-05 日立化成株式会社 エアロゲル複合体、エアロゲル複合体付き支持部材及び断熱材
KR102675444B1 (ko) * 2016-03-29 2024-06-13 가부시끼가이샤 레조낙 에어로겔 복합체 파우더의 제조 방법
JP6910252B2 (ja) * 2017-09-05 2021-07-28 昭和電工株式会社 シリカ担体の製造方法
JP2019064892A (ja) * 2017-10-04 2019-04-25 日立化成株式会社 エアロゲル複合体パウダー及び撥水材
US11981622B2 (en) 2018-11-02 2024-05-14 Resonac Corporation Method for producing alcohol and catalyst for producing alcohol
EP3744684A1 (en) 2019-05-29 2020-12-02 Nouryon Chemicals International B.V. Porous silica particles
EP3744683A1 (en) * 2019-05-29 2020-12-02 Nouryon Chemicals International B.V. Porous silica particles
US11447633B2 (en) * 2020-04-27 2022-09-20 Taiwan Aerogel Technology Material Co., Ltd. Method for producing a cold resisting and heat insulating composite glue composed of a hydrophobic aerogel and the related product thereof
US20240067529A1 (en) * 2021-01-14 2024-02-29 Tokuyama Corporation Porous spherical silica and method of producing the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6385012A (ja) * 1986-09-29 1988-04-15 Chisso Corp 珪酸質球状粒子の製造方法
JP2528315B2 (ja) * 1987-05-22 1996-08-28 扶桑化学工業株式会社 高純度球状シリカの製造方法
SE459731B (sv) * 1987-06-29 1989-07-31 Eka Nobel Ab Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarna
JPH02196015A (ja) * 1989-01-25 1990-08-02 Chisso Corp シリカの製造方法
IT1251939B (it) * 1991-10-17 1995-05-27 Donegani Guido Ist Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti.
US5250096A (en) * 1992-04-07 1993-10-05 At&T Bell Laboratories Sol-gel method of making multicomponent glass

Also Published As

Publication number Publication date
JP3785580B2 (ja) 2006-06-14
US6103209A (en) 2000-08-15
ITMI932331A0 (it) 1993-11-04
IT1266660B1 (it) 1997-01-09
EP0653378A1 (en) 1995-05-17
JPH07196311A (ja) 1995-08-01
DE69412426D1 (de) 1998-09-17
ITMI932331A1 (it) 1995-05-04
DE69412426T2 (de) 1999-02-18
EP0653378B1 (en) 1998-08-12

Similar Documents

Publication Publication Date Title
KR880007379A (ko) 실리카 함유 아티클 제조방법
DE69514661D1 (de) Polymerisationskatalysatorsystem, ihre herstellung und gebrauch
CA2285430A1 (en) Calcium phosphate microcarriers and microspheres
ES541732A0 (es) Procedimiento de preparacion de particulas modificadas en susuperficie por grupos hidrofilos e hidrofobos
MY110670A (en) Aqueous suspensions of colloidal particles, preparation and use of the suspensions
TW373126B (en) An electrochromic system, an electrochromic liquid comprising the same, an electrochromic device, an electrochromic substance and its preparation processes
DE69115904D1 (de) Verstärkte fällungskieselsäure
CO4410400A1 (es) Catalizador soportado para polimerizacion de olefinas y su metodo de produccion
ES2100798B1 (es) Par de lentes oftalmicas multifocales progresivas.
ES2143976T3 (es) Dispositivo para metodos ligando-receptor.
CA2281846A1 (en) Matrices for separation and separation exploiting said matrices
PE102798A1 (es) Tela no tejida teniendo un gradiente de tamano de poro y metodo y aparato para la formacion de la misma
ES2067957T3 (es) Uso de membranas polimerizadas interfacialmente en dispositivos de liberacion.
CA2212058A1 (en) Preparation and use of a specific gaba-a.alpha.5 receptor ligand for treatment of alzheimer's disease
ES2056423T3 (es) Microesferas compuestas magnetizables a base de un polimero organosiliciado reticulado, su procedimiento de preparacion y su aplicacion en biologia.
WO2005016855A3 (en) Supported ionic liquid and the use thereof in the disproportionation of isopentane
IT1266660B1 (it) Procedimento per la preparazione di xerogels di silice porosi in forma sferica
AR020532A1 (es) Hidrogeles opticamente transparentes y procesos para su produccion.
DE59610633D1 (de) Medikament, insbesondere zur modulation der immunantwort bei der bekämpfung von viren, tumoren, bakterien und parasiten
GB8907740D0 (en) Porous articles
SE8902919L (sv) Anvaendning av zeoliter som adsorbenter av detergenter i biokemiska/biotekniska system och processer
ATE99310T1 (de) Substituierte 1,8-naphthyridine.
GB8827539D0 (en) Ophthalmic ultra violet absorptive emollient
ES2038603T3 (es) Empleo de oligopeptidos para el tratamiento de transtornos cerebrales.
ES2183890T3 (es) Uso del factor de crecimiento de hepatocitos para in estimular la proliferacion y diferenciacion de celulas hematopoyeticas.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 653378

Country of ref document: ES